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Finding the Fourth Proportional to 225,950.42, 311,801.04 and 123,973.58

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Solution

The fourth proportional to 225,950.42, 311,801.04 and 123,973.58 is: 171,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,950.42 : 311,801.04 = 123,973.58 : x
  2. Step 2: Convert to fraction form
    225,950.42/311,801.04 = 123,973.58/x
  3. Step 3: Cross multiply
    225,950.42x = 311,801.04 × 123,973.58
  4. Step 4: Simplify right side
    225,950.42x = 38,655,091,176.52
  5. Step 5: Solve for x
    x = 38,655,091,176.52/225,950.42
  6. Step 6: Final answer
    x = 171,077.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.